Source: Curium does not exist in nature. It is a synthetic element and it is produced in nuclear reactors by bombarding plutonium with neutrons. Isotopes: Curium has 15 isotopes whose half-lives are known, with mass numbers 238 to 252. Curium has no naturally occurring isotopes.
2017 Rolls-Royce Ghost Series II. Everything in life is relative, and perhaps no car illustrates this point as effectively as the Rolls-Royce Ghost. While it's technically the entry-level Rolls-Royce model, the Ghost's $250,000 base price puts it in the stratosphere of the overall automotive market.
1934 ROLL ROYCE PHANTOM II - WORLDS MOST EXPENSIVE CAR - Called the Star of India and built to order in 1934 for the Maharaja of Rajkot, this Phantom-based Rolls-Royce is set to become the world's most expensive car, with experts predicting it could bring as much as Â£8.5 million pounds (US$16.91 million) at auction.